G. William Skinner, "Marketing and Social Structure in Rural China," provenance unknown (images taken from a badly-constructed bootleg book found in a thrift store some years ago)

A MODEL OF THE CHINESE STANDARD MARKETING AREA AS A STABLE SPATIAL SYSTEM, TOGETHER WITH THREE POSSIBLE MODELS OF INTERMEDIATE MARKETING AREAS

Our model, then, which is diagrammed as the basic pattern of Fig. 1, shows a hexagonal marketing area with the market town at the center, surrounded by an inner ring of six and an outer ring of twelve villages. As is empirically typical, the model calls for six major paths radiating out from the town.